A PDE based filter.

Data Types
type	pde_filter_t
	A PDE based filter mapping $\rho \mapsto \tilde{\rho}$, see Lazarov & O. Sigmund 2010, by solving an equation of the form $\f -r^2 \nabla^2 \tilde{\rho} + \tilde{\rho} = \rho . More...

Functions/Subroutines
subroutine	pde_filter_init_from_json (this, json, coef)
	Constructor from json.

subroutine	pde_filter_init_from_attributes (this, coef)
	Actual constructor.

subroutine	pde_filter_free (this)
	Destructor.

subroutine	pde_filter_apply (this, x_out, x_in)
	Apply the filter.

subroutine	pde_filter_apply_backward (this, df_dx_in, df_dx_out, x_in)
	Apply the adjoint filter.

subroutine	filter_precon_factory (pc, ksp, coef, dof, gs, bclst, pctype)

Function/Subroutine Documentation

◆ filter_precon_factory()

subroutine pde_filter::filter_precon_factory	(	class(pc_t), intent(inout), allocatable, target	pc,
		class(ksp_t), intent(inout), target	ksp,
		type(coef_t), intent(in), target	coef,
		type(dofmap_t), intent(in), target	dof,
		type(gs_t), intent(inout), target	gs,
		type(bc_list_t), intent(inout), target	bclst,
		character(len=*)	pctype
	)

private

Definition at line 384 of file PDE_filter_mapping.f90.

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subroutine pde_filter::pde_filter_apply	(	class(pde_filter_t), intent(inout)	this,
		type(field_t), intent(inout)	x_out,
		type(field_t), intent(in)	x_in
	)

private

Parameters

X_out	filtered field
X_in	unfiltered field

Definition at line 195 of file PDE_filter_mapping.f90.

subroutine pde_filter::pde_filter_apply_backward	(	class(pde_filter_t), intent(inout)	this,
		type(field_t), intent(inout)	df_dx_in,
		type(field_t), intent(in)	df_dx_out,
		type(field_t), intent(in)	x_in
	)

private

Parameters

X_in	unfiltered field
dF_dX_in	is the sensitivity with respect to the unfiltered design
dF_dX_out	is the sensitivity with respect to the filtered design

Definition at line 303 of file PDE_filter_mapping.f90.

subroutine pde_filter::pde_filter_free ( class(pde_filter_t), intent(inout) this )

private

Definition at line 169 of file PDE_filter_mapping.f90.

subroutine pde_filter::pde_filter_init_from_attributes	(	class(pde_filter_t), intent(inout)	this,
		type(coef_t), intent(inout)	coef
	)

private

Definition at line 143 of file PDE_filter_mapping.f90.

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subroutine pde_filter::pde_filter_init_from_json	(	class(pde_filter_t), intent(inout)	this,
		type(json_file), intent(inout)	json,
		type(coef_t), intent(inout)	coef
	)

Definition at line 124 of file PDE_filter_mapping.f90.

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